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In setting up bins for the "goodness of fit" test for a Normal distribution, one bin was 617 to 629. If the variable followed a Normal distribution with mean 600 and standard deviation 25, what is the probability that an observation falls in this bin? (Provide three decimal places)
a sample of 15 measurements of the diameter of a shaft gave a mean xbar4.38 inches and a standard deviation s0.06 inch.
a directory of personal computer retail outlets in the united states contains 12080 alphabetized entries. explain how
An organization with 2n people consists of n married couples. A committee of size k is selected, with all possibilities equally likely.
Generate a correlation coefficient and confidence interval. Interpret both.
What is the dependent variable? is the dependent variable and determine the correlation coefficient. Coefficient of correlation
For each case explain how the Poisson approximation to the binomial distribution can be used to justify the use of the Poisson model for X.
Contains two black, six brown, and two blue socks, all randomly arranged. What is the probability that the two he draws are a matching pair?
the reading speed of second grade students in large city is approximately normal with a mean on 90 words per minute and
A researcher is conducting a study of a Fortune 500 company that has factories, distribution centers, and retail outlets across the country.
Give an example of r.v.s X and Y such that FX(x) = FY (x) for all x, where the inequality is strict for some x. Here FX is the CDF of X and FY is the CDF of Y.
If a new random sample of 1000 adults is taken from the same population, explain whether each of the following would change the population proportion, p.
Find the maximum likelihood estimators 01 and 82 of ()1 and 92 and their approxi mate variance-covariance matrix. In this case, does the latter provide the exact variances and covariance?
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